Alert archive / Minnesota / Severe Thunderstorm Warnings in 2022

Severe Thunderstorm Warning 115, NWS Twin Cities, MN

May 12, 20225 counties in Minnesota

NWS Twin Cities, MN issued this severe thunderstorm warning at May 12, 2022, 6:16 PM CDT for 5 counties in Minnesota. It was in force for 44 min. 22 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued: May 12, 2022, 6:16 PM CDT (23:16 UTC)
Expired: May 12, 2022, 7:00 PM CDT
In force: 44 min
Issued by: NWS Twin Cities, MN
Area: Storm-based polygon
Damage threat: Destructive
Hail: 0.75 in
Wind: 100.0 mph

Counties Chippewa County, MN, Kandiyohi County, MN, Pope County, MN, Stevens County, MN, Swift County, MN

The radar

The Minneapolis radar (KMPX), 174 km from the middle of the area, began a volume at 23:18 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

Time	Report	Where	Remark
May 12, 6:20 PM CDT	TSTM WND DMG	4 Sse Milan, MN	12 INCH DIAMETER TREES DOWN 5 MILES NW OF WATSON.
May 12, 6:20 PM CDT	TSTM WND DMG	4 Sse Milan, MN	12 INCH DIAMETER TREES DOWN 5 MILES NW OF WATSON. DOZENS OF ADDITIONAL TREES DOWN IN VICINITY. ROADS BLOCKED BY DOWNED TREES.
May 12, 6:33 PM CDT	TSTM WND GST 60	2 Nne Appleton, MN	APPLETON AIRPORT AWOS.
May 12, 6:40 PM CDT	TSTM WND DMG	5 Wnw Artichoke, MN	RADAR ESTIMATED TIME; DENTED GRAIN BIN, TREES UPROOTED.
May 12, 6:40 PM CDT	TSTM WND DMG	2 Se Alberta, MN	LARGE STORAGE SHED DESTROYED. LARGE TREE DOWN. TIME ESTIMATED BY RADAR.
May 12, 6:40 PM CDT	TSTM WND DMG	3 S Benson, MN	TREES DOWN AND STEEL BUILDING DAMAGED NEAR INTERSECTION OF 40TH ST AND HWY 29. TIME ESTIMATED BY RADAR.
May 12, 6:40 PM CDT	TSTM WND DMG	4 S Alberta, MN	GRAIN SILO DESTROYED. TIME ESTIMATED BY RADAR.
May 12, 6:45 PM CDT	TSTM WND DMG	1 Nne Benson, MN	HWY 9 CLOSED DUE TO DOWNED POWER LINES. TIME ESTIMATED.
May 12, 6:45 PM CDT	TSTM WND DMG	2 Nne Morris, MN	POWER POLES AND 7 TREES DOWN. REPORTED VIA TWITTER. PHOTOS INCLUDED. TIME ESTIMATED BY RADAR.
May 12, 6:47 PM CDT	TSTM WND DMG	Chokio, MN	CORRECTS PREVIOUS TSTM WND DMG REPORT FROM CHOKIO. SIGNIFICANT INFRASTRUCTURE DAMAGE REPORTED TO THE CITY OF CHOKIO INCLUDING POWER POLES SNAPPED AT BASE, LIVE WIRES, 3.5 FEET IN CIRCUMFERENCE TREES SNAPPED AND ON HOUSES.
May 12, 6:47 PM CDT	TSTM WND DMG	Chokio, MN	SIGNIFICANT INFRASTRUCTURE DAMAGE REPORTED TO THE CITY OF CHOKIO INCLUDING POWER POLES SNAPPED AT BASE, LIVE WIRES, 3.5 FOOT TREES SNAPPED AND ON HOUSES.
May 12, 6:48 PM CDT	TSTM WND DMG	3 Wsw Morris, MN	HANGERS BLOWN IN AND WALL COLLAPSED AS WELL AS ANTENNAS DOWN AT MORRIS MUNICIPAL AIRPORT.
May 12, 6:49 PM CDT	TSTM WND GST 66	3 Nw Chokio, MN
May 12, 6:51 PM CDT	TSTM WND DMG	8 Ene Clontarf, MN	ONE SILO AND POLE BARN DESTROYED.
May 12, 6:56 PM CDT	TSTM WND DMG	2 Wnw Pennock, MN	TWO TRAIN CARS DERAILED JUST OUTSIDE OF PENNOCK CITY LIMITS.
May 12, 6:56 PM CDT	TSTM WND DMG	4 Sw Pennock, MN	LARGE PORTION OF TURKEY BARN SHEET METAL ROOF RIPPED OFF AND SCATTERED AROUND, UP TO 100 YARDS TO THE NE OF BARN. FLYING DEBRIS ALSO APPEARED TO PUNCTURE HOLE IN SIDE OF HOUSE AS WELL AS BLOWING OUT BACK SIDE OF GARAGE. PROPANE TANK PUNCTURED BY SHEET METAL RO
May 12, 7:00 PM CDT	TSTM WND DMG	1 W Chokio, MN	CORRECTS PREVIOUS NON-TSTM WND DMG REPORT FROM 1 W CHOKIO. POWER LINES PUSHED DOWN NEAR COUNTY RD 12.
May 12, 7:00 PM CDT	TSTM WND DMG	2 Ne Morris, MN	LARGE TREES UPROOTED. PHOTOS PROVIDED VIA TWITTER. TIME ESTIMATED BY RADAR.
May 12, 7:00 PM CDT	TSTM WND DMG	Holloway, MN	SIGNIFICANT DAMAGE REPORTED TO A HOME IN HOLLOWAY. REPORTED VIA TWITTER. PHOTOS INCLUDED. TIME ESTIMATED.
May 12, 7:00 PM CDT	TSTM WND DMG	Morris, MN	SMALL TO MEDIUM TREES BLOWN OVER. TIME ESTIMATED BY RADAR.
May 12, 7:00 PM CDT	NON-TSTM WND DMG	1 W Chokio, MN	POWER LINES PUSHED DOWN NEAR COUNTY RD 12.
May 12, 7:01 PM CDT	HAIL 1	Morris, MN	TIME ESTIMATED BY RADAR.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
May 12, 5:35 PM CDT	Tornado Watch	SPC	6 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 12:00Z, 11.3 hours before the alert went out and 171 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.

Mixed-layer CAPE: 892 J/kg
Mixed-layer CIN: -300 J/kg
Mixed-layer LCL: 877 m above ground
0-6 km bulk shear: 38 kt
0-1 km storm-relative helicity: 133 m²/s²
0-3 km storm-relative helicity: 214 m²/s²
Significant tornado parameter: 0.0
Supercell composite: 2.2

Open this sounding in Storm Lab

The text

As transmitted.

269 
WUUS53 KMPX 122316
SVRMPX
MNC023-067-121-149-151-130000-
/O.NEW.KMPX.SV.W.0115.220512T2316Z-220513T0000Z/

BULLETIN - EAS ACTIVATION REQUESTED
Severe Thunderstorm Warning
National Weather Service Twin Cities/Chanhassen MN
616 PM CDT Thu May 12 2022

The National Weather Service in the Twin Cities has issued a

* Severe Thunderstorm Warning for...
  Pope County in west central Minnesota...
  Chippewa County in west central Minnesota...
  Stevens County in west central Minnesota...
  Swift County in west central Minnesota...
  Northwestern Kandiyohi County in central Minnesota...

* Until 700 PM CDT.

* At 615 PM CDT, severe thunderstorms were located along a line
  extending from near Milbank to 6 miles southwest of Appleton to
  near Hanley Falls, moving northeast at 85 mph.

  THESE ARE DESTRUCTIVE STORMS FOR APPLETON AND BENSON.

  HAZARD...100 mph wind gusts.

  SOURCE...Radar indicated. At 608 PM CDT, Madison airport reported 
           a gust of 94 mph.

  IMPACT...You are in a life-threatening situation. Flying debris 
           may be deadly to those caught without shelter. Mobile 
           homes will be destroyed. Expect considerable damage to 
           homes and businesses. Expect extensive tree damage and 
           power outages.

* Severe thunderstorms will be near...
  Granite Falls and Appleton around 620 PM CDT.
  Maynard and Lake Oliver around 625 PM CDT.
  Clara City around 630 PM CDT.
  Hancock and Raymond around 635 PM CDT.
  Kerkhoven, Chokio and Cyrus around 640 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION with tornado like wind
speeds expected. Mobile homes and high profile vehicles are
especially susceptible to winds of this magnitude and may be
overturned. For your protection move to an interior room on the
lowest floor of a building. These storms have the potential to cause
serious injury and significant property damage.

A Tornado Watch remains in effect until midnight CDT for central and
west central Minnesota.

&&

LAT...LON 4575 9625 4576 9514 4533 9512 4489 9525
      4489 9548 4477 9549 4477 9551 4480 9551
      4491 9568 4491 9572 4493 9573 4495 9580
      4516 9604 4518 9610 4541 9612 4542 9625
TIME...MOT...LOC 2315Z 213DEG 74KT 4517 9662 4514 9613 4471 9566 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...100 MPH

$$

Borghoff

1 follow-up statement

510 
WWUS53 KMPX 122336
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
636 PM CDT Thu May 12 2022

MNC023-067-121-149-151-130000-
/O.CON.KMPX.SV.W.0115.000000T0000Z-220513T0000Z/
Pope MN-Chippewa MN-Stevens MN-Swift MN-Kandiyohi MN-
636 PM CDT Thu May 12 2022

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 700 PM CDT
FOR POPE...CHIPPEWA...STEVENS...SWIFT AND NORTHWESTERN KANDIYOHI
COUNTIES...

At 635 PM CDT, severe thunderstorms were located along a line
extending from near Johnson to 5 miles southwest of Hancock to 5
miles west of Raymond, moving north at 75 mph.

THESE ARE DESTRUCTIVE STORMS FOR BENSON AND MORRIS.

HAZARD...90 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...You are in a life-threatening situation. Flying debris may 
         be deadly to those caught without shelter. Mobile homes 
         will be heavily damaged or destroyed. Homes and businesses 
         will have substantial roof and window damage. Expect 
         extensive tree damage and power outages.

These severe storms will be near...
  Hancock and Chokio around 640 PM CDT.
  Morris, Cyrus and Murdock around 645 PM CDT.
  Donnelly around 650 PM CDT.
  Brooten around 700 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

This is an EXTREMELY DANGEROUS SITUATION. These storms are producing 
widespread wind damage across western Minnesota. SEEK SHELTER NOW 
inside a sturdy structure and stay away from windows.

A Tornado Watch remains in effect until midnight CDT for central and 
west central Minnesota.

&&

LAT...LON 4575 9625 4576 9514 4533 9512 4489 9525
      4489 9548 4477 9549 4477 9551 4480 9551
      4491 9568 4491 9572 4493 9573 4495 9580
      4516 9604 4518 9610 4541 9612 4542 9625
TIME...MOT...LOC 2335Z 199DEG 64KT 4551 9630 4543 9584 4505 9534 

THUNDERSTORM DAMAGE THREAT...DESTRUCTIVE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...90 MPH

$$

Borghoff

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

Issued	Product	Office	Counties	Lasted
May 11, 7:12 PM CDT	Severe Thunderstorm Warning	MPX	Carver, Scott, Sibley	33 min
May 11, 7:12 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Blue Earth, Le Sueur, Nicollet	63 min
May 11, 7:20 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Meeker, Stearns, Wright	29 min
May 11, 7:21 PM CDT	Severe Thunderstorm Warning Destructive damage threat	MPX	Blue Earth, Le Sueur, Nicollet	39 min
May 11, 7:25 PM CDT	Special Weather Statement	MPX	Kandiyohi	95 min
May 11, 7:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Le Sueur, Rice, Scott	63 min
May 11, 7:31 PM CDT	Tornado Warning	MPX	Carver, Scott	44 min
May 11, 7:33 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Blue Earth, Faribault, Martin	42 min
May 11, 7:35 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Carver, McLeod, Wright	55 min
May 11, 7:38 PM CDT	Tornado Warning	MPX	Le Sueur, Rice	37 min
May 11, 7:41 PM CDT	Tornado Warning	MPX	Carver, Hennepin	34 min
May 11, 7:43 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Hennepin	47 min
May 11, 7:46 PM CDT	Severe Thunderstorm Warning	MPX	Meeker, Stearns, Wright	44 min
May 11, 7:58 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Dakota, Rice, Scott	47 min
May 11, 8:02 PM CDT	Severe Thunderstorm Warning	MPX	Sherburne, Wright	43 min
May 11, 8:03 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Steele, Waseca	42 min
May 11, 8:09 PM CDT	Severe Thunderstorm Warning	MPX	Blue Earth, Faribault	36 min
May 11, 8:09 PM CDT	Tornado Warning	MPX	Dakota	40 min
May 11, 8:13 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Anoka, Chisago, Ramsey, Washington	62 min
May 11, 8:23 PM CDT	Tornado Warning	MPX	Anoka, Hennepin, Ramsey	25 min
May 11, 8:27 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Dakota, Goodhue	63 min
May 11, 8:33 PM CDT	Tornado Warning	MPX	Blue Earth, Waseca	26 min
May 11, 8:37 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Freeborn	44 min
May 11, 8:40 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Chisago	65 min
May 11, 8:41 PM CDT	Special Weather Statement	MPX	Benton, Isanti, Morrison, Sherburne	49 min
May 11, 8:46 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Steele, Waseca	44 min
May 11, 8:48 PM CDT	Severe Thunderstorm Warning	MPX	Faribault	27 min
May 11, 8:58 PM CDT	Special Weather Statement	MPX	Anoka, Chisago, Hennepin, Ramsey, Washington	92 min
May 11, 9:20 PM CDT	Severe Thunderstorm Warning	MPX	Faribault, Freeborn, Waseca	25 min
May 11, 9:22 PM CDT	Tornado Warning	MPX	Goodhue	38 min
May 11, 9:48 PM CDT	Severe Thunderstorm Warning	MPX	Freeborn	27 min
May 11, 10:10 PM CDT	Special Weather Statement	MPX	Steele	35 min
May 11, 10:43 PM CDT	Special Weather Statement	MPX	Steele	32 min
May 11, 11:00 PM CDT	Special Weather Statement	MPX	Steele	90 min
May 11, 11:09 PM CDT	River Flood Warning	MPX	Redwood, Renville	29 days
May 12, 2:21 AM CDT	Dense Fog Advisory	MPX	Blue Earth, Brown, Chippewa, Lac qui Parle, Nicollet, Redwood and 5 more	4 hr
May 12, 4:25 AM CDT	Severe Thunderstorm Warning	MPX	Lac qui Parle, Yellow Medicine	35 min
May 12, 4:59 AM CDT	Severe Thunderstorm Warning	MPX	Chippewa, Lac qui Parle, Swift	35 min
May 12, 5:25 AM CDT	Special Weather Statement	MPX	Chippewa, Swift	35 min
May 12, 6:16 AM CDT	Special Weather Statement	MPX	Chippewa	29 min
May 12, 6:16 AM CDT	Special Weather Statement	MPX	Stearns	29 min
May 12, 6:37 AM CDT	Severe Thunderstorm Warning	MPX	Stearns	23 min
May 12, 7:05 AM CDT	Special Weather Statement	MPX	Stearns	25 min
May 12, 7:17 AM CDT	Special Weather Statement	MPX	Benton	28 min
May 12, 7:30 AM CDT	Special Weather Statement	MPX	Stearns	30 min
May 12, 7:33 AM CDT	Special Weather Statement	MPX	Stearns	27 min
May 12, 7:36 AM CDT	Special Weather Statement	MPX	Chippewa	24 min
May 12, 7:51 AM CDT	Special Weather Statement	MPX	Kanabec	24 min
May 12, 7:54 AM CDT	Severe Thunderstorm Warning	MPX	Morrison, Stearns, Todd	36 min
May 12, 8:43 AM CDT	Special Weather Statement	MPX	Pope, Todd	32 min
May 12, 9:00 AM CDT	Special Weather Statement	MPX	Pope, Swift	30 min
May 12, 9:24 AM CDT	Special Weather Statement	MPX	Lac qui Parle, Pope, Swift	36 min
May 12, 10:01 AM CDT	Special Weather Statement	MPX	Kandiyohi, Morrison, Stearns	29 min
May 12, 10:32 AM CDT	Severe Thunderstorm Warning	MPX	Kanabec, Mille Lacs, Morrison	43 min
May 12, 10:34 AM CDT	Special Weather Statement	MPX	Meeker, Stearns	26 min
May 12, 10:44 AM CDT	Severe Thunderstorm Warning	MPX	Benton, Sherburne, Stearns	46 min
May 12, 11:07 AM CDT	Special Weather Statement	MPX	Benton, Stearns	83 min
May 12, 11:26 AM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Benton, Mille Lacs, Morrison, Sherburne	49 min
May 12, 11:42 AM CDT	Severe Thunderstorm Warning	MPX	Isanti, Mille Lacs, Sherburne	33 min
May 12, 11:44 AM CDT	River Flood Warning	MPX	Redwood	7 days
May 12, 12:12 PM CDT	Severe Thunderstorm Warning	MPX	Isanti, Kanabec, Mille Lacs, Sherburne	33 min
May 12, 12:23 PM CDT	Special Weather Statement	MPX	Benton, Isanti, Kanabec, Mille Lacs, Morrison, Sherburne and 1 more	82 min
May 12, 12:43 PM CDT	Severe Thunderstorm Warning	MPX	Chisago, Isanti, Kanabec	32 min
May 12, 5:41 PM CDT	Severe Thunderstorm Warning Destructive damage threat	MPX	Chippewa, Lac qui Parle, Swift, Yellow Medicine	49 min
May 12, 6:02 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Brown, Martin, Nicollet, Redwood, Renville, Watonwan and 1 more	58 min
May 12, 6:15 PM CDT	Tornado Warning	MPX	Lac qui Parle, Swift	15 min
May 12, 6:26 PM CDT	Severe Thunderstorm Warning Destructive damage threat	MPX	Kandiyohi, Meeker, Stearns	64 min
May 12, 6:34 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Lac qui Parle, Yellow Medicine	26 min
May 12, 6:43 PM CDT	Tornado Warning Tornado observed	MPX	Kandiyohi, Pope, Stearns, Swift	17 min
May 12, 6:47 PM CDT	Tornado Warning	MPX	Kandiyohi, Renville	13 min
May 12, 6:52 PM CDT	Severe Thunderstorm Warning Considerable damage threat	MPX	Brown, McLeod, Nicollet, Redwood, Renville, Sibley	53 min
May 12, 6:58 PM CDT	Tornado Warning	MPX	Pope	17 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2022 Every severe thunderstorm warning in 2022

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.